Gronbeck, B. E. I. x. s. (1994). Principles and types of speech communication (12th ed.). HarperCollins College Publishers.
Chicago Style (17th ed.) CitationGronbeck, Bruce E. I.Title x1Public speaking. Principles and Types of Speech Communication. 12th ed. New York: HarperCollins College Publishers, 1994.
MLA (9th ed.) CitationGronbeck, Bruce E. I.Title x1Public speaking. Principles and Types of Speech Communication. 12th ed. HarperCollins College Publishers, 1994.
Warning: These citations may not always be 100% accurate.